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DE1095717B - Electromagnetic horn with auger funnel - Google Patents

Electromagnetic horn with auger funnel

Info

Publication number
DE1095717B
DE1095717B DEW26615A DEW0026615A DE1095717B DE 1095717 B DE1095717 B DE 1095717B DE W26615 A DEW26615 A DE W26615A DE W0026615 A DEW0026615 A DE W0026615A DE 1095717 B DE1095717 B DE 1095717B
Authority
DE
Germany
Prior art keywords
funnel
membrane
horn
housing
sound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DEW26615A
Other languages
German (de)
Inventor
Dr Thomas Lange
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westfaelische Metall Industrie KG Hueck and Co
Original Assignee
Westfaelische Metall Industrie KG Hueck and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westfaelische Metall Industrie KG Hueck and Co filed Critical Westfaelische Metall Industrie KG Hueck and Co
Priority to DEW26615A priority Critical patent/DE1095717B/en
Publication of DE1095717B publication Critical patent/DE1095717B/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/18Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22Mountings; Casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Sorting Of Articles (AREA)

Description

Elektromagnetisches Signalhorn mit Schneckentrichter Die Erfindung bezieht sich auf ein Signalhorn, insbesondere ein elektromagnetisches Signalhorn für Kraftfahrzeuge, das aus einer schwingungsfähigen Membran, angeregt z. B. über Anker, Elektromagneten und Spule, sowie einer Druckkammer vor der Membran und einem schneckenförmigen Trichter besteht, und betrifft die Ausbildung des Trichters.Electromagnetic horn with auger funnel The invention refers to a horn, specifically an electromagnetic horn for motor vehicles, which consists of a vibratory membrane, excited z. B. over Armature, electromagnet and coil, as well as a pressure chamber in front of the membrane and a helical funnel, and affects the formation of the funnel.

Bei den bekannten Signalhörnern, die zur Erhöhung der Abstrahlung vor einer schwingenden Membran einen Schalltrichter haben, weist der Schalltrichterquerschnitt seine geringste Stelle am übergang von der Druckkammer, die unmittelbar vor der Membran liegt, auf. Diese Anordnung bedingt eine ungünstige Lage des Trichters vor der Membran, d. h. in dein vor der Membranebene abgetrennten Halbraum auf der schallabstrahlenden Seite der Membran, und erfordert somit drei Einzelteile, nämlich das Gehäuse oder die Grundplatte zur Befestigung des Elektromagneten, die untere Trichterschale, die gleichzeitig die Druckkammer vor der Membran bildet, und die obere Trichterschale.With the known signal horns that increase the radiation have a horn in front of a vibrating diaphragm, the horn cross-section has its smallest point at the transition from the pressure chamber, which is immediately in front of the Membrane lies on. This arrangement causes the funnel to be in an unfavorable position the membrane, d. H. in your half-space separated in front of the membrane level on the sound-radiating Side of the membrane, and thus requires three items, namely the housing or the base plate for fastening the electromagnet, the lower funnel bowl, which at the same time forms the pressure chamber in front of the membrane, and the upper funnel shell.

Die Erfindung bezweckt eine günstigere Anordnung des Trichters und eine Vereinfachung des Aufbaus und erreicht dies dadurch, daß der Gehäusetopf, der die nicht schallabstrahlende Rückseite der Membran abdeckt, und der Gehduseabschlußdeckel, der zugleich die Druckkammer auf der schallabstrahlenden Vorderseite der Membran darstellt, gemeinsam den Schalltrichter bilden, derart, daß die Gehäusewand gleichzeitig als eine Trichterwand dient und die Radien der Trichterseele größer sind als der Membranradius, während die Ebene der Trichterseele hinter der Mem -branebene liegt.The invention aims at a more favorable arrangement of the funnel and a simplification of the structure and achieved this in that the housing pot, the covers the back of the membrane, which does not radiate sound, and the housing cover, which is also the pressure chamber on the sound-emitting front side of the membrane represents, together form the bell, such that the housing wall at the same time serves as a funnel wall and the radii of the funnel core are larger than that Membrane radius, while the level of the funnel soul lies behind the membrane level.

Diese Anordnung ergibt den Vorteil, daß Gehäuse und Schneckentrichter einteilig hergestellt werden können, während die verbleibende Öffnung lediglich durch einen Deckel abgedeckt wird, der zugleich die Druckkammer bildet.This arrangement has the advantage that the housing and the screw hopper can be made in one piece, while the remaining opening only is covered by a lid, which also forms the pressure chamber.

Die Zeichnung veranschaulicht ein AusführunIgsbeispiel der Erfindung an Hand eines elektromagnetischen Signalhornes, und zwar zeigt Fig. 1 die Draufsicht auf den Schneckentrichter und Fig. 2 einen Querschnitt durch das Signalhorn. Der Gehäusetopf 7 bildet gemeinsam mit dem Gehäuseabschlußdeckel 1 den Schneckentrichter 11, dessen Seele mit 8 gekennzeichnet ist. A ist der exzentrische Trichtereingang, r bedeutet den Membranradius und R den Radius der Trichterseele, wobei R größer ist als r. Die Druckkammer 2 ist aus dem Abschlußdeckel 1 ausgewölbt. Die Ebene 10-10 der Trichterseele 8 liegt hinter der Ebene 9-9 der Membran 3. Angeregt wird die Membran durch den Anker 4, die Membranspule 5 und den Magnetkern 6.The drawing illustrates an exemplary embodiment of the invention on the basis of an electromagnetic signal horn, namely Fig. 1 shows the plan view on the screw funnel and FIG. 2 shows a cross section through the horn. Of the Housing pot 7, together with housing cover 1, forms the screw hopper 11, the soul of which is marked with 8. A is the eccentric funnel entrance, r means the membrane radius and R the radius of the funnel core, where R is greater is as r. The pressure chamber 2 is bulged out of the end cover 1. The level 10-10 of the funnel core 8 lies behind the plane 9-9 of the membrane 3. Is excited the membrane through the armature 4, the membrane coil 5 and the magnetic core 6.

Claims (1)

PATENTANSPRUCH: Elektromagnetisches Signalhorn mit Schneckentrichter, dadurch gekennzeichnet, daß der Gehäusetopf (7), der die nicht schallabstrahlende Rückseite der Membran (3) abdeckt, und der Gehäuseabschlußdeckel (1), der zugleich die Druckkammer (2) auf der schallabstrahlenden Vorderseite der Membran (3) darstellt, gemeinsam den Schalltrichter (8) bilden derart, daß die Gehäusewand gleichzeitig als eine Trichterwand dient und die Radien der Trichterseele größer sind als der Mem branradius, während die Ebene der Trichterseele hinter der Membranebene liegt. In Betracht gezogene Druckschriften: Deutsche Auslegeschrift Nr. 1041398; britische Patentschriften Nr. 581997, 609 548; USA.-Patentschrift Nr. 2 116 821; französische Patentschrift Nr. 461 152.PATENT CLAIM: Electromagnetic signal horn with a screw funnel, characterized in that the housing pot (7), which covers the non-sound-radiating rear side of the membrane (3), and the housing cover (1), which also has the pressure chamber (2) on the sound-radiating front side of the membrane ( 3) represents, together form the horn (8) such that the housing wall also serves as a funnel wall and the radii of the funnel core are greater than the mem branradius, while the plane of the funnel core lies behind the membrane plane. Documents considered: German Auslegeschrift No. 1 041 398; British Patent Nos. 581997, 609 548; U.S. Patent No. 2,116,821; French patent specification No. 461 152.
DEW26615A 1959-10-27 1959-10-27 Electromagnetic horn with auger funnel Pending DE1095717B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEW26615A DE1095717B (en) 1959-10-27 1959-10-27 Electromagnetic horn with auger funnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW26615A DE1095717B (en) 1959-10-27 1959-10-27 Electromagnetic horn with auger funnel

Publications (1)

Publication Number Publication Date
DE1095717B true DE1095717B (en) 1960-12-22

Family

ID=7598408

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW26615A Pending DE1095717B (en) 1959-10-27 1959-10-27 Electromagnetic horn with auger funnel

Country Status (1)

Country Link
DE (1) DE1095717B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131123B (en) * 1961-07-24 1962-06-07 Westfaelische Metall Ind K G H Signal horn with auger for motor vehicles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR461152A (en) * 1913-08-06 1913-12-22 Marius Berliet Warning device for vehicles
US2116821A (en) * 1937-04-09 1938-05-10 Bopp Enos Jearld Gate
GB581997A (en) * 1944-12-22 1946-10-31 Lucas Ltd Joseph Improvements relating to vehicle and like horns
GB609548A (en) * 1946-03-15 1948-10-04 Lucas Ltd Joseph Improvements relating to motor vehicle and other horns
DE1041398B (en) 1957-03-26 1958-10-16 Bosch Gmbh Robert Electromagnetic signal transmitter, in particular electropneumatic horn

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR461152A (en) * 1913-08-06 1913-12-22 Marius Berliet Warning device for vehicles
US2116821A (en) * 1937-04-09 1938-05-10 Bopp Enos Jearld Gate
GB581997A (en) * 1944-12-22 1946-10-31 Lucas Ltd Joseph Improvements relating to vehicle and like horns
GB609548A (en) * 1946-03-15 1948-10-04 Lucas Ltd Joseph Improvements relating to motor vehicle and other horns
DE1041398B (en) 1957-03-26 1958-10-16 Bosch Gmbh Robert Electromagnetic signal transmitter, in particular electropneumatic horn

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131123B (en) * 1961-07-24 1962-06-07 Westfaelische Metall Ind K G H Signal horn with auger for motor vehicles

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